California Code, Health and Safety Code - HSC § 25214.13

(a) Except as provided in Section 25214.14, on and after January 1, 2006, a manufacturer or supplier may not offer for sale or for promotional purposes in this state a package or packaging component that includes a regulated metal, in the package itself, or in a packaging component, if the regulated metal has been intentionally introduced into the package or packaging component during manufacturing or distribution.

(b) Except as provided in Section 25214.14, on and after January 1, 2006, a person may not offer for sale or for promotional purposes in this state a product in a package that includes a regulated metal, in the package itself, or in a packaging component, if the regulated metal has been intentionally introduced into the package or packaging component during manufacturing or distribution.

(c) Except as provided in Section 25214.14, on and after January 1, 2006, a person may not offer for sale or for promotional purposes in this state a package, packaging component, or product in a package if the sum of the incidental total concentration levels of all regulated metals present in a single-component package or in an individual packaging component exceeds 100 parts per million by weight.